<template>
  <div id="app" class="container">
      <router-view :msg="a" @aa="aa" ref="as"></router-view>
  </div>
</template>
<script>
export default {
  name: "App",
  data() {
    return {
      open: false,
      a: "123",
    };
  },
  methods: {
    show: function () {
      this.open = this.open == false ? true : false;
    },
    aa: function (val) {
      console.log(val);
    },
  },
};
</script>
<style lang="scss">
</style>
